h1{
text-align: center;
font-weight: bolt}
h2{
text-align: center;
font-weight: bolt}
h3{
text-align: center;
font-weight: bolt}
h4{
text-align: center;
font-weight: bolt}
h5{
text-align: center;
font-weight: bolt}
h6{
text-align: center;
font-weight: bolt}
h7{
text-align: center;
font-weight: bolt}
h8{
text-align: center;
font-weight: bolt}
h9{
text-align: center;
font-weight: bolt}